1
QuizMultiple Choice
Applying Vectors in the Plane — Cumulative exam
Question 1 • Precalculus
The center of an earthquake was detected along the Pacific Rim. Geologists determined that the distance the seismic waves traveled is represented by r = 15sin(θ), where r is in miles. Which graph represents the distance the waves traveled?
Answer
A
On a polar coordinate plane, a circle goes through (15, 0) and (15, StartFraction pi Over 2 EndFraction)
B
On a polar coordinate plane, a circle goes through (30, 0) and (30, StartFraction pi Over 2 EndFraction).
C
On a polar coordinate plane, a circle goes through (0, 0) and (3, StartFraction pi Over 2 EndFraction).
D
On a polar coordinate plane, a circle goes through (0, 0) and (25, StartFraction pi Over 2 EndFraction).